I'm writing this with tears in my eyes. I came to London for a short vacation. I was mugged outside the hotel where we stayed. All my cash, credit cards and cellphone were stolen, but I still have my passport. But I need $1,200 to get home."
You may have seen a similar message, appearing to come from a friend or relative, show up in your social-media news feed. Or perhaps you've gotten one in an email.